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One of Jearl Walker's articles in The Amateur Scientist series in Scientific American discusses a method to measure the size of the earth with only a foot rule
by the-mitr 2y ago
One of Jearl Walker's articles in The Amateur Scientist series in Scientific American discusses a method to measure the size of the earth
with only a foot rule or a stopwatch while observing setting sun. 1979 (05) pp. 172-182
- lupire 2y agoHere: https://www.jstor.org/stable/24965204 https://www.jstor.org/stable/24965204